Doctor profile · Federal record
Dr. John Holzhauer, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Viroqua, WI
- NPI 1548623747
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
507 S Main St
Viroqua, WI 546652059
(608) 637-2101 - Mailing address
-
49495 Docs Ln
Gays Mills, WI 546318260
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- December 16, 2022
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Wisconsin #68634-20
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548623747. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
230
Distinct HCPCS
4
Medicare allowed
$18,779
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 88 | 68 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 64 | 61 | $114 | |
99285 |
Emergency department visit with high level of medical decision making | 56 | 55 | $166 | |
99283 |
Emergency department visit with low level of medical decision making | 22 | 22 | $68 |
In context: peer comparison
Among 1 peers in Viroqua Emergency Medicine Physician, average services per provider: 57. This provider delivers 4.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
92
Patients
92
Total drug cost
$477
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 37 | 37 | $99 |
| Oxycodone Hcl | Generic | 18 | 18 | $55 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 14 | 14 | $196 |
| Azithromycin | Generic | 12 | 12 | $48 |
| Ondansetron Odt (Ondansetron) | Brand | 11 | 11 | $80 |
Hospital affiliations
Frequently asked questions
What is Dr. John Holzhauer's medical specialty?
Dr. John Holzhauer practices Emergency Medicine Physician in Viroqua, WI.
Where does Dr. John Holzhauer practice?
Dr. John Holzhauer practices at 507 S Main St, Viroqua, WI 546652059. Office phone: 6086372101.
What is Dr. John Holzhauer's NPI?
Dr. John Holzhauer's National Provider Identifier (NPI) is 1548623747, issued by NPPES.
Does Dr. John Holzhauer accept Medicare assignment?
Yes. Dr. John Holzhauer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Holzhauer commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.